This is a genuine JCB switch sender for coolant, with part number 320/04558 and alternative MPN 320-A4901. It is compatible with various JCB models such as 1400B, 1550B, 1600B, 1700B, 214, 215, 216, 217, 3C, 3CX, and 3D. The switch is made in India and is designed to fit perfectly in the engine cooling systems of the aforementioned JCB models. It is a high-quality part that is essential for the proper functioning of the coolant system.